Shepard Fairey's Obama poster has triumphed from a shortlist of 90 other designs to become Brit Insurance Design of the Year 2009.
The exhibition includes the world's most interesting and forward looking designs spanning seven categories: Architecture, Fashion, Furniture, Graphics, Interactive, Product and Transport.
The winner was selected by a high profile panel chaired by Alan Yentob and including the designer and environmentalist Karen Blincoe, and the architect Peter Cook.
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